| #![feature(test)] |
| extern crate test; |
| extern crate fnv; |
| extern crate fxhash; |
| extern crate seahash; |
| |
| use std::hash::{Hash, Hasher}; |
| use test::{Bencher, black_box}; |
| |
| |
| fn fnvhash<H: Hash>(b: H) -> u64 { |
| let mut hasher = fnv::FnvHasher::default(); |
| b.hash(&mut hasher); |
| hasher.finish() |
| } |
| |
| fn seahash<H: Hash>(b: H) -> u64 { |
| let mut hasher = seahash::SeaHasher::default(); |
| b.hash(&mut hasher); |
| hasher.finish() |
| } |
| |
| macro_rules! generate_benches { |
| ($($fx:ident, $fx32:ident, $fx64:ident, $fnv:ident, $sea:ident, $s:expr),* $(,)*) => ( |
| $( |
| #[bench] |
| fn $fx(b: &mut Bencher) { |
| let s = black_box($s); |
| b.iter(|| { |
| fxhash::hash(&s) |
| }) |
| } |
| |
| #[bench] |
| fn $fx32(b: &mut Bencher) { |
| let s = black_box($s); |
| b.iter(|| { |
| fxhash::hash32(&s) |
| }) |
| } |
| |
| #[bench] |
| fn $fx64(b: &mut Bencher) { |
| let s = black_box($s); |
| b.iter(|| { |
| fxhash::hash64(&s) |
| }) |
| } |
| |
| #[bench] |
| fn $fnv(b: &mut Bencher) { |
| let s = black_box($s); |
| b.iter(|| { |
| fnvhash(&s) |
| }) |
| } |
| |
| #[bench] |
| fn $sea(b: &mut Bencher) { |
| let s = black_box($s); |
| b.iter(|| { |
| seahash(&s) |
| }) |
| } |
| )* |
| ) |
| } |
| |
| generate_benches!( |
| bench_fx_003, bench_fx32_003, bench_fx64_003, bench_fnv_003, bench_seahash_003, "123", |
| bench_fx_004, bench_fx32_004, bench_fx64_004, bench_fnv_004, bench_seahash_004, "1234", |
| bench_fx_011, bench_fx32_011, bench_fx64_011, bench_fnv_011, bench_seahash_011, "12345678901", |
| bench_fx_012, bench_fx32_012, bench_fx64_012, bench_fnv_012, bench_seahash_012, "123456789012", |
| bench_fx_023, bench_fx32_023, bench_fx64_023, bench_fnv_023, bench_seahash_023, "12345678901234567890123", |
| bench_fx_024, bench_fx32_024, bench_fx64_024, bench_fnv_024, bench_seahash_024, "123456789012345678901234", |
| bench_fx_068, bench_fx32_068, bench_fx64_068, bench_fnv_068, bench_seahash_068, "11234567890123456789012345678901234567890123456789012345678901234567", |
| bench_fx_132, bench_fx32_132, bench_fx64_132, bench_fnv_132, bench_seahash_132, "112345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901", |
| ); |